#include <cstdio>
#define INF 2000000000
using namespace std;
int a[102][102];
int main()
{
    freopen("royfloyd.in","r",stdin);
    freopen("royfloyd.out","w",stdout);
    int n,i,j,k;
    scanf("%d",&n);
    for(i=1;i<=n;i++)
        for(j=1;j<=n;j++)
        {
            scanf("%d",&a[i][j]);
            //if(!a[i][j])
                //a[i][j]=INF;
        }
    for(k=1;k<=n;k++)
        for(i=1;i<=n;i++)
            for(j=1;j<=n;j++)
                if((i!=j&&a[i][k]&&a[k][j])&&((a[i][j]>a[i][k]+a[k][j])||(!a[i][j])))
                    a[i][j]=a[i][k]+a[k][j];
    for(i=1;i<=n;i++)
        {for(j=1;j<=n;j++)
            printf("%d ",a[i][j]);
        printf("\n");}
    return 0;
}